Side skirt of an automobile



FIG. 1 is a front perspective view of a side skirt of an automobile, showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side top view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The other features of the automobile shown in FIG. 7 form no part of the claimed invention. 

The ornamental design for side skirts of an automobile, as shown and described. 